Fluke 1625-2 GEO Earth Ground Tester

Get fast, accurate earth ground tests using all 4 test methods using Fluke 1625-2 GEO Earth Ground Tester with Automatic Frequency Control (AFC). Buy Now!

Manufacturer part number (MPN)

4325162

Brand

Fluke

Category

Tools

Memory

Internal memory storage up to 1500 records accessible via USB port

Measuring function

Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC

Display

4 digit (2999 Digit) - 7 segment liquid crystal display, with improved visibility

Operation

Central rotary switch and function keys

Operating temperature

-10°C to 50°C (14°F to 122°F)

Storage temperature

-30°C to 60°C (-22°F to 140°F)

Temperature coefficient

±0.1% of reading/°C 28°C

Type of protection

IP56 for case, IP40 for battery door according to EN60529

Max voltage

Warning – socket "clamp" to socket E, ES, S or H

Safety

Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. Pollution degree 2

Quality standard

Developed, designed and manufactured to comply with DIN ISO 9001

External field influence

Complies with DIN 43780 (8/76)

Auxiliary power

6 x 1.5 V alkaline (IEC LR6 or type AA)

Battery life span

With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ≤ 1 kΩ)

Dimensions (W x H x D)

250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in)

Weight

≤ 1.1 kg (2.43 lb) without accessories 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case

Case material

Polyester

Measuring range

1 V to 50 V

Display range

0.0 V to 50 V

Resolution

0.1 V

Frequency range

DC/AC 45 Hz to 400 Hz its

Accuracy

±(5% of rdg + 5 digit)

Measuring sequence

Approx. 4 measurements/s

Internal resistance

Approx. 1.5 MΩ

Max. overload

Urms = 250 V

Range

1 V to 50 V

Measuring method

Current and voltage measurement with probe as IEC61557-5

Open circuit voltage

20/48 V, AC

Short circuit current

250 mA AC

Measuring frequency

94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1

Noise rejection

120 dB (16 2/3 , 50 , 60, 400 Hz)

Reference Conditions or Specified Operating Range

Designation Code

Intrinsic error Reference conditions

A

Position Reference position ±90°

E1

Supply voltage At the limits stated by the manufacturer

E2

Temperature 0°C and 35°C

E3

Series interference voltage See 4.2 and 4.3

E4

0 to 100 x RA but ≤ 50 kΩ

E5

System frequency 99% to 101% of the nominal frequency

E7

System voltage 85% to 110% of the nominal voltage

E8

Operating error B = ±(|A| + 1,15 √E21 E22 E23 E24 E25 E26 )

Part 5, 4.3

Operating error

±(5% of rdg + 5 digit)

Measuring time

Typical 8 seconds with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies

Measuring error of RH and RS

Typ. 10% of RE + RS + RH

Max. probe resistance

≤ 1 MΩ

Max. auxiliary earth electrode resistance

≤ 1 MΩ

RH with Umeas = 48 V

< 300 Ω

RH with Umeas = 20 V

< 250 Ω

Minimal current in single branch to be measured 0.5 mA

With transformer (1000:1)

Minimal current in single branch to be measured 0.1 mA

With transformer (200:1)

Max. interference current through transformer 3 A

With transformer (1000:1)

Measuring voltage

20 V AC, square pulse

Max. interference voltage

24 V, with higher voltages measurement will not be started

Formation of measured value

With 4-pole measurement wires on H, S, ES can be extended without additional error. Resistances > 1 Ω in wire E can cause additional error of 5m Ω/Ω.

Maximum interference voltage

≤ 3 V AC or DC, with higher voltages measurement will not be started

Maximum inductivity

2 Henry

Maximum overload

Urms = 250 V

Switch position

RA 4-pole (two clamp Stakeless)

Noise current (IEXT)

Max. IEXT = 10 A (AC) (RA < 20 Ω)

HS Code

9030.33

• OEM-URL https://www.fluke.com/en-us/product/electrical-testing/earth-ground/fluke-1625-2